U.N. relief agency for Palestinian refugees, defying calls by Israel’s Prime Minister and pro-Israel lawmakers to dismantle it, according to several diplomatic sources.

Nikki Haley, the U.S. ambassador to the United Nations, has privately assured the U.N. Relief and Works Agency, or UNRWA, that the United States, which provides more than $300 million to the agency each year, will maintain its current levels of funding to the organization. “America has long been committed to funding UNRWA’s important mission, and that will continue,” said one official at the U.S. mission to the United Nations.